Horseshoe.



L. F. COHEN.

HORSESHOE.

APPLlCATlON FILED JUNE I9, 1916.

Patented July 10, 1917. F25.

l/JI/EA/ TOR Lou/s F. COHEN,

WITNESSES: WM

BY j @WKLW ATTOR'VEY LOUIS F. COHEN, OF PITT-SFIELD, MASSACHUSETTS.

HORSESHOE.

Specification of Letters Patent.

Patented J1 uly 10, 1917.

Application filed June 19, 1916. Serial No. 104,380.

To all whom it may concern:

Be it known that I, Lon'rs F. COHEN, a citizen of the United States,residing at Pittsfield, in the county of Berkshire and .State ofMassachusetts, have invented certain new and useful Improvements inHorseshoes, of which the following is a specification.

This invention relates to improvements in horseshoes and particularlyconcerns the provision of detachable calks or contact members. I amaware that removable calks have been heretofore invented and extensively used, and I do not therefore claim the invention thus broadly,but confine the present application to improvements therein, which aredesigned to overcome the serious objections found applicable to priorinventions of the same general description. Those types of calksprovided with a stem adapted to be driven or screwed into a bore orthreaded opening in the shoe usually become so firmly set by theintroduction of dirt and the decomposition of the metal that greatdifiiculty is often experienced in removing them. This difliculty isparticularly noticeable where the calk is worn well down upon the faceof the shoe, so that no projecting remnant remains for the applicationof pincers or other implements for removing them. The present form ofcalk and securing means are designed to prevent the calk from becomingset and to facilitate its removal quickly at any time regardless of theamount of wear.

Referring to the accompanying drawings, in which a specific useful formof embodiment of my invention is illustrated, together withmodifications thereof,

Figure 1 is a bottom plan view of a horseshoe provided with calksoperatively mounted thereon; Fig. 2, a side elevation of the same; Fig.3, a bottom view of one end of the shoe cut away and disclosing a planview of the calk seat; Fig. 4, a side view of the calk; Fig. 5, aperspective rear view of the calk; Fig. 6, a cross-sectional view of theshoe through the center line of the calk; Fig. 7, a similar view of ashoe having a transverse opening therethrough to receive the calk and amodified form of screw for securing the calk in position; Fig. 8, a faceview of the metal ring carried centrally on the calk; Figs. 9 and 10,end and side views, respectively, of the preferred form of screwemployed for securing the calk in position on the shoe; Fig. 11, a faceview of a spring washer disposed under the flanged head of the securingscrew, and Figs. 12 and 13, end and side views, respectively, of amodified form of securing screw.

As shown, I provide a shoe 1, similar in outline and general formationto the ordinary horseshoe, and provided with a plurality of removabledepending calks or contact members 2, 2, etc, adapted to preventslipping and arranged under the toe and heels of the hoof. Each of thecalks comprises a wedge-shaped tip 3 at its lower end, for contact withthe ground, and a tapering squared shank 4- of less maximum width thanthe tip 3, for projection into suitable transverse recesses 5, 5, etc,of cor responding formation provided on the underside of the shoe. Thebody of the shoe is thickened about the recesses 5, to provide a seat 6of annular formation surrounding the recesses and extending downwardfrom the lower face of the shoe.

While I prefer to provide a closed recess in the shoe to receive theshank 4, to prevent dirt from working in around the calks, the recess 5may be extended entirely through the shoe forming an opening 25, asillustrated in the modification of Fig. 7.

The calk 2 is formed round at its middle, intermediate the tip and shank4, to provide a butt 7 adapted to bear upon the seat 6 within a slightrecess 8 countersunk in the face thereof, and of less depth than thelength of the butt 7, which is inclosed above by a removable metal ring9 fitting closely thereon and adapted to prevent dirt and othersubstances from working into the re cess 5 around the shank 4, therebytending to cause the same to become set and irremovable. Said ring 9 ispreferably partly seat-- ed in a recess 10 of corresponding dimensionsprovided on the lower face of the seat 6 around the recess 8, andadapted to engage the projecting shoulders 11, 11, formed ondoppositesides of the tip 3 at its upper en Downward displacement of the calks 2is prevented preferably by means of a screw 12, which is herein shown toextend through a threaded bore 13 provided laterally in the shoe, theinner end 1 1 of the screw being reduced and extending into an alinedrecess 15 provided in the shank of the calk. The shoe 1 is suitablyrecessed or countersunk at 16 to receive the flanged head 17 of thescrew and a spring washer 18 which is carried on the screw under saidflanged head and adapted to prevent displacement of the screw duringuse.

- In the modification shown in Fig. 7, a form of headless screw 22 isemployed having a uniform diameter from end to end and projectingthrough a corresponding threaded bore 23 in the wall of the shoe andinto a recess 24 arranged in alinement therewith provided in the shankof the calk. In both the preferred and modified forms of securing screwsshown it is intended that no portion of the screw shall project beyondthe side wall of the shoe.

The operation and application of my de vice may be readily understoodfrom the foregoing description.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is,

1. The combination, in a horseshoe having a transverse opening thereinsquare in cross-section and being counter-bored around the margin ofsaid opening, said opening being closed at its upper end; a removablecontactmember having a calk at its lower end and a shank at its upperend square in cross-section and adapted to extend freely into saidopening in the shoe, said shank being smaller in cross-section than saidopening; a lateral extension-member provided on the contact-memberintermediate the calk and the shank and adapted to seat in saidcounter-bore provided around the opening in the shoe and to close theopening; and adjustable securing means provided laterally on the shoe toprevent downward displacement of the contact-member.

2. A horseshoe having a body-portion of curved formation to extendaround the margin of the hoof, said body-portion having a flattenedlower face; a plurality of clown- Copies of this patent may be obtainedfor five cents each, by addressing the Washington, D. C.

wardly extending annular members provided on the lower face of thebody-portion under the toe and heels of the hoof, said body-portionhaving recesses in its lower face opening into said annular members andextending well upward into but notthrough the body of the shoe;removable contact-members having their upper end smaller in crosssectionthan said recesses for projection freely into said recesses and having alateral extension at their middle adapted to seat in said annularmembers for preventing upward displacement of the contact-members; anadjustable securing member provided laterally on the shoe and arrangedwholly within the body of the shoe for preventing downward displacementof the contact-members.

3. A horseshoe having a squared opening on its lower face extending wellupward into the body of the shoe; an annular depending member providedon the shoe around said opening and having a counter-bore around saidopening and a separate counter-bore of larger dimensions and less deptharound said first-mentioned counter-bore; a contact member having asquared shank extending freely into said opening in the shoe and havingan annular shoulder around its middle to seat in said first-mentionedcounter-bore; a removable ring carried on said contact-member andadapted to seat in said outer counter-bore for preventing dirt fromworking into said opening in the shoe; and adjustable securing meansprovided laterally Oh ment of the contact-member.

In testimony whereof I hereunto affix my signature in presence of twowitnesses.

LOUIS F. COHEN.

fcommissipner of Patents,

